News tagged with fuel emissions

Solar thermal process produces cement with no carbon dioxide emissions

(Phys.org) -- While the largest contributor to anthropogenic greenhouse gas emissions is the power industry, the second largest is the more often overlooked cement industry, which accounts for 5-6% of all ...

Chemistry / Materials Science

created Apr 10, 2012 | popularity 4.6 / 5 (25) | comments 22 | with audio podcast report

Delphi gasoline-injection engine technique rivals hybrid's edge

(Phys.org) -- Running a diesel like engine on gasoline is something Delphi is doing in notable fashion. They claim they are on to a promising way to enjoy an engine that gives the vehicle owner high efficiency ...

Technology / Energy & Green Tech

created May 21, 2012 | popularity 4.7 / 5 (18) | comments 40 | with audio podcast report

New research may improve the efficiency of the biofuel production cycle

(Phys.org) -- Using new experimental methods and computational analysis, a team of scientists from the Joint BioEnergy Institute (JBEI), led by Lawrence Livermore's Michael Thelen, discovered how certain bacteria ...

Chemistry / Biochemistry

created May 14, 2012 | popularity 5 / 5 (4) | comments 6 | with audio podcast

Energy harvesters transform waste into electricity

Billions of dollars lost each year as waste heat from industrial processes can be converted into electricity with a technology being developed at the Department of Energy's Oak Ridge National Laboratory.

Technology / Energy & Green Tech

created May 16, 2011 | popularity 5 / 5 (6) | comments 22 | with audio podcast

Conventional fossil fuels sometimes 'greener' than biofuels: study

There’s a race afoot to give biofuel wings in the aviation industry, part of an effort to combat soaring fuel prices and cut greenhouse gas emissions. In 2008, Virgin Atlantic became the first commercial ...

Technology / Energy & Green Tech

created May 11, 2011 | popularity 5 / 5 (4) | comments 6 | with audio podcast

Two severe Amazon droughts in 5 years alarms scientists

New research shows that the 2010 Amazon drought may have been even more devastating to the region's rainforests than the unusual 2005 drought, which was previously billed as a one-in-100 year event.

Space & Earth / Earth Sciences

created Feb 03, 2011 | popularity 4.7 / 5 (13) | comments 4 | with audio podcast

Have we reached peak travel?

(PhysOrg.com) -- Since the 1970s, passenger travel by vehicles and airplanes has grown rapidly in industrialized countries, and the International Energy Agency has predicted steady, though slower, travel growth ...

Other Sciences / Mathematics

created Jan 03, 2011 | popularity 3.4 / 5 (8) | comments 8 | with audio podcast report

Putting the pedal to the metal: Lithium metal improves fuel cells

(PhysOrg.com) -- Water splitting is a clean way to generate hydrogen, which is seen by many as the fuel of the future. Scientists from the Energy Technology Research Institute, AIST in Tsukuba, Japan now report ...

Chemistry / Materials Science

created May 14, 2010 | popularity 3.9 / 5 (15) | comments 2 | with audio podcast

Advanced engine-control system reduces biodiesel fuel consumption and emissions

Researchers from Purdue University and Cummins Inc. have developed an advanced "closed-loop control" approach for preventing diesel engines from emitting greater amounts of smog-causing nitrogen oxides when ...

Technology / Energy & Green Tech

created Jan 25, 2010 | popularity 3.8 / 5 (5) | comments 0 | with audio podcast

Gasoline-diesel 'cocktail': A potent recipe for cleaner, more efficient engines

(PhysOrg.com) -- Diesel and gasoline fuel sources both bring unique assets and liabilities to powering internal combustion engines. But what if an engine could be programmed to harvest the best properties ...

Technology / Energy & Green Tech

created Aug 03, 2009 | popularity 4.3 / 5 (27) | comments 6

Study Finds that Styrofoam Increases Biodiesel Power Output

(PhysOrg.com) -- By dissolving polystyrene packing peanuts in biodiesel, scientists have found that they can boost the power output of the fuel while getting rid of garbage at the same time.

Technology / Energy & Green Tech

created May 04, 2009 | popularity 2.7 / 5 (11) | comments 9 weblog

Surveillance vehicles take flight using alternative energy

Nearly undetectable from the ground, unmanned aerial vehicles (UAVs) are widely used by the military to scan terrain for possible threats and intelligence. Now, fuel cell powered UAVs are taking flight as ...

Technology / Energy & Green Tech

created Mar 30, 2009 | popularity 4.9 / 5 (7) | comments 5

Avoiding the hothouse and the icehouse

By controlling emissions of fossil fuels we may be able to greatly delay the start of the next ice age, new research from the Niels Bohr Institute at University of Copenhagen concludes. The results have been ...

Space & Earth / Earth Sciences

created Feb 11, 2009 | popularity 2.9 / 5 (15) | comments 10

Oxygen-separation membranes could aid in CO2 reduction

It may seem counterintuitive, but one way to reduce carbon dioxide emissions to the atmosphere may be to produce pure carbon dioxide in powerplants that burn fossil fuels. In this way, greenhouse gases — once isolated ...

Chemistry / Materials Science

created May 15, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Americans support national clean-energy standard: study

The average U.S. citizen is willing to pay 13 percent more for electricity in support of a national clean-energy standard (NCES), according to Yale and Harvard researchers in Nature Climate Change.

Technology / Energy & Green Tech

created May 13, 2012 | popularity 3.2 / 5 (9) | comments 34 | with audio podcast